Road Stream Crossing Site BSAB_BS46
Big Sable River Watershed, Tributary of Big Sable River
Treml Rd
Freesoil Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.12168
, -86.21686
T20N
R16W
Sec 22
Owned by Private
Fish Passability 0
Perch Height: 1 ft.
Total Erosion: 5.0127 tons/year
Severity: Severe
Year Inventoried: 2011
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 1 ft.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Intermittent stream dry at the time of data collection
Stream Information
Stream Flow: None
Scour Pool: Length 5 ft.
, Width 3.5 ft.
, Depth 1 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 8 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5.5 ft.
Slope: 1:1
Downstream
Fill Depth: 5.3 ft.
Slope: 1:1
Approaches
Left Approach
Length: 537 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.674
Erosion: 4.9524 tons/year
Right Approach
Length: 219 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0603 tons/year
Erosion Information
Total Erosion at Crossing: 5.0127 tons/year
Extent of Erosion: Minor
Notes: Minor scour pook erosion
Summary Information
Fish Passability 0